Domestic injuries happen to both adults and children. In some cases, they are quite dangerous and you may need to see a doctor, but in most situations, you can use the first aid that you have at home. Pine nut oil enriched with pine resin is one such remedy.
Pine nut oil enriched with pine resin accelerates the healing of scratches, abrasions, bruises, and burns, as it stimulates the formation of leukocytes in the blood, starts the process of phagocytosis, and contains substances that accelerate the regeneration of damaged tissues.
Stimulation of leukocyte production
White blood cells (leukocytes) help the body fight off pathogens that may enter the wound. Thus, they speed up wound healing, as they prevent the growth of bacteria. Pine resin is a source of phytoncides. According to research, phytoncides activate the production of special granular leukocytes in the blood. 
In addition, pine nut oil enriched with pine resin contains succinic acid. Experiments have shown that succinic acid improves blood composition. It affects not only the level of leukocytes, but also other factors associated with the regenerative properties of the body: the level of red blood cells, immunoglobulins, and hemoglobin. 
Influence on the process of phagocytosis
Phagocytosis is an important natural process for the healing of any wound. It is associated with the ability of special cells (macrophages) to clean the wound both from pathogens and from necrosis products — dead cells.
This is the next stage of wound healing after blood clotting, and the rate of further tissue regeneration and the formation of new epithelial cells depends on it. Terpenes contained in resin extract activate macrophages and neutrophils involved in the process of phagocytosis. Due to this, infection and suppuration of the wound is prevented, and the process of tissue regeneration begins faster.
Substances for tissue regeneration
Pine resin extract is a source of many substances that accelerate tissue regeneration:
- unsaturated fatty acids 
- vitamin A 
- amino acids cysteine, histidine, arginine 
- magnesium and zinc, which, when used together, have a synergistic effect. 
How to use resin extract for domestic injuries?
- For a bruise or abrasion, apply a cotton swab dipped in resin extract to the damaged area. Leave for 2-3 hours minimum.
- If the wound is deeper or already inflamed, wipe its edges with a cotton swab dipped in resin extract every 2 hours. Do not apply pressure to inflamed skin.
- In case of burns, soak a piece of natural fabric with resin extract and apply to the burn. Secure with bandages or adhesive tape.
- The higher the concentration of resin extract, the more pronounced its healing properties.
 Li Q, Kobayashi M, et al. Effect of phytoncide from trees on human natural killer cell function.
 Lashin A.P., Simonova N.V., Sayapina I.Yu. Effect of succinic acid on the immunobiochemical status of newborn calves
 Silva JR, Burger B, Kühl CMC, Candreva T, Dos Anjos MBP, Rodrigues HG. Wound Healing and Omega-6 Fatty Acids: From Inflammation to Repair
 Zinder R, Cooley R, Vlad LG, Molnar JA. Vitamin A and Wound Healing
 Arribas-López E, Zand N, Ojo O, Snowden MJ, Kochhar T. The Effect of Amino Acids on Wound Healing: A Systematic Review and Meta-Analysis on Arginine and Glutamine
 Yang F, Xue Y, Wang F, Guo D, He Y, Zhao X, Yan F, Xu Y, Xia D, Liu Y. Sustained release of magnesium and zinc ions synergistically accelerates wound healing.
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